Add 81/30 and 30/72
1st number: 2 21/30, 2nd number: 30/72
81/30 + 30/72 is 187/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
81/30 = 81 × 12/30 × 12 = 972/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Add the two like fractions:
972/360 + 150/360 = 972 + 150/360 = 1122/360 - 1122/360 simplified gives 187/60
- So, 81/30 + 30/72 = 187/60
In mixed form: 37/60
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